On November 2, 1920, station KDKA made the nation's first commercial broadcast (a term coined by Conrad himself). They chose that date because it was election day, and the power of radio was ...

His swearing-in marks 100 years since a presidential inauguration was first broadcast ... was made possible after commercial ...

Japan’s first radio broadcast was aired from Atagoyama in 1925. This section chronicles the early history of broadcasting. The early 1920s saw a dynamic development of radio services as business ...